Will Astilbe grow ok in slightly acid soil

Question

Hostas and Hydrangeas are in the same bed. Soil under the added humus is clay.

Answer 1

Yes, Ph of 5.8 to 6.8 on the neutral side is desirable.

Here are in growing and care requirements to refresh you.
I also have this combination in my MN garden! It's a pretty combination.

https://www.gardeningknowhow.com/ornamental/flowers/astilbe/growing-astilbe-plants.htm